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EN 1.7216 Steel vs. EN 1.5521 Steel

Both EN 1.7216 steel and EN 1.5521 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7216 steel and the bottom bar is EN 1.5521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 23
11 to 21
Fatigue Strength, MPa 290 to 440
210 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 560
310 to 360
Tensile Strength: Ultimate (UTS), MPa 650 to 930
430 to 1390
Tensile Strength: Yield (Proof), MPa 400 to 690
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
250 to 630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 33
15 to 49
Strength to Weight: Bending, points 21 to 27
16 to 35
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 27
13 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.27 to 0.34
0.16 to 0.2
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.2 to 98.4
98 to 98.9
Manganese (Mn), % 0.35 to 0.6
0.9 to 1.2
Molybdenum (Mo), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.035
0 to 0.025